#VU90470 Memory leak in Linux kernel - CVE-2023-52643

Vulnerability identifier: #VU90470

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52643

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the iio_device_register_sysfs() function in drivers/iio/industrialio-core.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/1c6d19c8cbf6abcea2c8fca2db26abca2cbf0363
https://git.kernel.org/stable/c/359f220d0e753bba840eac19ffedcdc816b532f2
https://git.kernel.org/stable/c/b90126c86d83912688501826643ea698f0df1728
https://git.kernel.org/stable/c/3db312e06851996e7fb27cb5a8ccab4c0f9cdb93
https://git.kernel.org/stable/c/95a0d596bbd0552a78e13ced43f2be1038883c81

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.